What are meant by ctx.fillrect.fillstyle.?please.

Answer 1

ctx is just the name you gave to the variable that stores the 2D context. It can be named anything else, of your choice.

fillStyle info:

https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/fillStyle

Tutorial to go for:

https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API/Tutorial

Answer 2

ctx means what please ?

Answer 3

thank you Dv

Answer 4

this is the inside color of the shape.